Performs an asynchronous write operation (overlapped).
procedure WriteOverlapped(OV: FTSPCOverlapped; DataBuffer: Pointer; BytesToWrite: Cardinal);
void WriteOverlapped(FTSPCOverlapped OV, void * DataBuffer, Cardinal BytesToWrite);
[in] Instance of FTSPCOverlapped Class.
[in] Buffer to write.
[in] Number of bytes to write to serial port.
OV and DataBuffer must be "alive" during all time of the operation.
You should call GetResult method of OV instance to get status of the operation.